import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import { baseUrl } from '@/settings'

function closePage() {
  if (navigator.userAgent.indexOf('Firefox') != -1 || navigator.userAgent.indexOf('Chrome') != -1) {
    window.location.href = 'about:blank'
    window.close()
  } else {
    window.opener = null
    window.open('', '_self')
    window.close()
  }
}

// create an axios instance
const service = axios.create({
  // baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  baseURL: baseUrl, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 10000 // request timeout
})

// 请求拦截
service.interceptors.request.use(
  config => {
    config.headers['Authorization'] = getToken()
    // do something before request is sent
    const params = (config.params !== undefined ? config.params : config.data)
    // console.log('请求拦截', config)
    // console.log('请求拦截', params)
    // 重新赋值
    if (config.params !== undefined) {
      config.params = params
    } else {
      config.data = params
    }
    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      // config.headers['X-Token'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// 响应拦截器
service.interceptors.response.use(
  response => {
    // console.log('拦截器', response)
    const res = response.data
    if (res.code !== 200) { // 自定义返回
      console.log('致命错误', response)
      switch (res.code) {
        case 999:
          MessageBox.confirm('登录过期，您可以关闭当前页面，或重新登录', '确认注销', {
            confirmButtonText: '重新登录',
            cancelButtonText: '关闭当前页面',
            type: 'warning'
          }).then(() => {
            store.dispatch('user/resetToken').then(() => {
              location.reload()
            })
          }).catch(() => {
            console.log('关闭页面')
            closePage()
          })
          break
        default:
          Message.error(res.description)
      }
      return Promise.reject(res)
    } else {
      return res.data
    }
  },
  error => {
    console.log('致命错误2', error)
    if (error && error.response) {
      switch (error.response.status) {
        case 400:
          error.message = '错误请求'
          break
        case 401:
          error.message = '未授权，请重新登录'
          break
        case 403:
          error.message = '拒绝访问'
          break
        case 404:
          error.message = '请求错误,未找到该资源'
          break
        case 405:
          error.message = '请求方法未允许'
          break
        case 408:
          error.message = '请求超时'
          break
        case 500:
          error.message = '服务器端出错'
          break
        case 501:
          error.message = '网络未实现'
          break
        case 502:
          error.message = '网络错误'
          break
        case 503:
          error.message = '服务不可用'
          break
        case 504:
          error.message = '网络超时'
          break
        case 505:
          error.message = 'http版本不支持该请求'
          break
        default:
          error.message = `未知错误${error.response.status}`
      }
    } else {
      error.message = '服务器繁忙,请稍后重试'
    }
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
